Run dependabot on npm deps as well

.github/dependabot.yaml

diff --git a/.github/dependabot.yaml b/.github/dependabot.yaml
deleted file mode 100644
index c519084..0000000
--- a/.github/dependabot.yaml
+++ /dev/null
@@ -1,7 +0,0 @@
-version: 2
-updates:
-  - package-ecosystem: "github-actions"
-    directory: "/"
-    schedule:
-      interval: "weekly"
-    target-branch: master

.github/dependabot.yml

diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..ad24d05
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,14 @@
+# Please see the documentation for all configuration options:
+# https://docs.github.com/en/code-security/dependabot/working-with-dependabot/dependabot-options-reference
+
+version: 2
+updates:
+  - package-ecosystem: npm
+    directory: "/"
+    schedule: { interval: weekly }
+    cooldown: { default-days: 15 }
+
+  - package-ecosystem: github-actions
+    directory: "/"
+    schedule: { interval: weekly }
+    cooldown: { default-days: 15 }